[PATCH] D23134: Make cltz and cttz zero undef when the operand cannot be zero in InstCombine

[Amaury SECHET via llvm-commits]

deadalnix updated this revision to Diff 66906.
deadalnix added a comment.

Address @spatel comments.


https://reviews.llvm.org/D23134

Files:
  lib/Transforms/InstCombine/InstCombineCalls.cpp
  test/Transforms/InstCombine/intrinsics.ll

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